Don't complain under MicroWindows if a wxDC's HDC is NULL - it happens

[wxWidgets.git] / src / msw / slider95.cpp

diff --git a/src/msw/slider95.cpp b/src/msw/slider95.cpp
index 56abc963b7c43e6f7a549e011267b290339fa9d2..640e15e40739d354d5503d8eea73f5ba6043877c 100644 (file)
--- a/src/msw/slider95.cpp
+++ b/src/msw/slider95.cpp
@@ -6,7 +6,7 @@
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:       wxWindows license
+// Licence:     wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
@@ -20,8 +20,9 @@
 #pragma hdrstop
 #endif
 
+#if wxUSE_SLIDER
+
 #ifndef WX_PRECOMP
-#include <stdio.h>
 #include "wx/utils.h"
 #include "wx/brush.h"
 #endif
@@ -31,13 +32,11 @@
 #include "wx/msw/slider95.h"
 #include "wx/msw/private.h"
 
-#if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__) || defined(wxUSE_NORLANDER_HEADERS)
-#include <commctrl.h>
+#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__))
+    #include <commctrl.h>
 #endif
 
-#if !USE_SHARED_LIBRARY
 IMPLEMENT_DYNAMIC_CLASS(wxSlider95, wxControl)
-#endif
 
 // Slider
 wxSlider95::wxSlider95()
@@ -60,7 +59,9 @@ bool wxSlider95::Create(wxWindow *parent, wxWindowID id,
            const wxString& name)
 {
   SetName(name);
+#if wxUSE_VALIDATORS
   SetValidator(validator);
+#endif // wxUSE_VALIDATORS
 
   if (parent) parent->AddChild(this);
   SetBackgroundColour(parent->GetBackgroundColour()) ;
@@ -84,11 +85,15 @@ bool wxSlider95::Create(wxWindow *parent, wxWindowID id,
   int width = size.x;
   int height = size.y;
 
-  long msStyle ;
+  long msStyle=0 ;
+  long wstyle=0 ;
+
+  if ( m_windowStyle & wxCLIP_SIBLINGS )
+    msStyle |= WS_CLIPSIBLINGS;
 
   if ( m_windowStyle & wxSL_LABELS )
   {
-      msStyle = WS_CHILD | WS_VISIBLE | WS_BORDER | SS_CENTER;
+      msStyle |= WS_CHILD | WS_VISIBLE | WS_BORDER | SS_CENTER;
 
       bool want3D;
       WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ;
@@ -100,13 +105,20 @@ bool wxSlider95::Create(wxWindow *parent, wxWindowID id,
 
       // Now create min static control
       wxSprintf(wxBuffer, wxT("%d"), minValue);
+      wstyle = STATIC_FLAGS;
+      if ( m_windowStyle & wxCLIP_SIBLINGS )
+        msStyle |= WS_CLIPSIBLINGS;
       m_staticMin = (WXHWND) CreateWindowEx(0, wxT("STATIC"), wxBuffer,
-                             STATIC_FLAGS,
+                             wstyle,
                              0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(),
                              wxGetInstance(), NULL);
   }
 
   msStyle = 0;
+
+  if ( m_windowStyle & wxCLIP_SIBLINGS )
+    msStyle |= WS_CLIPSIBLINGS;
+
   if (m_windowStyle & wxSL_VERTICAL)
     msStyle = TBS_VERT | WS_CHILD | WS_VISIBLE | WS_TABSTOP ;
   else
@@ -157,8 +169,11 @@ bool wxSlider95::Create(wxWindow *parent, wxWindowID id,
   {
       // Finally, create max value static item
       wxSprintf(wxBuffer, wxT("%d"), maxValue);
+      wstyle = STATIC_FLAGS;
+      if ( m_windowStyle & wxCLIP_SIBLINGS )
+        msStyle |= WS_CLIPSIBLINGS;
       m_staticMax = (WXHWND) CreateWindowEx(0, wxT("STATIC"), wxBuffer,
-                             STATIC_FLAGS,
+                             wstyle,
                              0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)NewControlId(),
                              wxGetInstance(), NULL);
 
@@ -189,60 +204,41 @@ bool wxSlider95::Create(wxWindow *parent, wxWindowID id,
 bool wxSlider95::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam,
                              WXWORD pos, WXHWND control)
 {
-    int position = 0; // Dummy - not used in this mode
-
-    int nScrollInc;
-    wxEventType scrollEvent = wxEVT_NULL;
+    wxEventType scrollEvent;
     switch ( wParam )
     {
         case SB_TOP:
-            nScrollInc = m_rangeMax - position;
             scrollEvent = wxEVT_SCROLL_TOP;
             break;
 
         case SB_BOTTOM:
-            nScrollInc = - position;
             scrollEvent = wxEVT_SCROLL_BOTTOM;
             break;
 
         case SB_LINEUP:
-            nScrollInc = - GetLineSize();
             scrollEvent = wxEVT_SCROLL_LINEUP;
             break;
 
         case SB_LINEDOWN:
-            nScrollInc = GetLineSize();
             scrollEvent = wxEVT_SCROLL_LINEDOWN;
             break;
 
         case SB_PAGEUP:
-            nScrollInc = -GetPageSize();
             scrollEvent = wxEVT_SCROLL_PAGEUP;
             break;
 
         case SB_PAGEDOWN:
-            nScrollInc = GetPageSize();
             scrollEvent = wxEVT_SCROLL_PAGEDOWN;
             break;
 
         case SB_THUMBTRACK:
         case SB_THUMBPOSITION:
-#ifdef __WIN32__
-            nScrollInc = (signed short)pos - position;
-#else // Win16
-            nScrollInc = pos - position;
-#endif // Win32/16
             scrollEvent = wxEVT_SCROLL_THUMBTRACK;
             break;
 
         default:
-            nScrollInc = 0;
-    }
-
-    if (scrollEvent == wxEVT_NULL)
-    {
-        // no event...
-        return FALSE;
+            // unknown scroll event?
+            return FALSE;
     }
 
     int newPos = (int)::SendMessage((HWND) control, TBM_GETPOS, 0, 0);
@@ -260,6 +256,7 @@ bool wxSlider95::MSWOnScroll(int WXUNUSED(orientation), WXWORD wParam,
     GetEventHandler()->ProcessEvent(event);
 
     wxCommandEvent cevent( wxEVT_COMMAND_SLIDER_UPDATED, GetId() );
+    cevent.SetInt( newPos );
     cevent.SetEventObject( this );
 
     return GetEventHandler()->ProcessEvent( cevent );
@@ -355,9 +352,9 @@ void wxSlider95::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 
   int currentX, currentY;
   GetPosition(&currentX, &currentY);
-  if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
+  if (x == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
     x1 = currentX;
-  if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
+  if (y == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
     y1 = currentY;
 
   AdjustForParentClientOrigin(x1, y1, sizeFlags);
@@ -636,3 +633,4 @@ bool wxSlider95::Show(bool show)
 #endif
   // __WIN95__
 
+#endif // wxUSE_SLIDER